source: https://leetcode.com/problems/k-radius-subarray-averages/description/ Table of ContentsK Radius Subarray AveragesDescriptionExample 1:Example 2:Example 3:Constraints:Solution K Radius Subarray Averages Description You are given a 0-indexed array nums of n integers and an integer k. The k-radius average for a subarray of nums centered at some index i with the radius k is the average of all elements in nums between ...